11221321313087 has 2 divisors, whose sum is σ = 11221321313088. Its totient is φ = 11221321313086.

The previous prime is 11221321312961. The next prime is 11221321313093. The reversal of 11221321313087 is 78031312312211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221321313087 - 2⁴⁰ = 10121809685311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221321313387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610660656543 + 5610660656544.

It is an arithmetic number, because the mean of its divisors is an integer number (5610660656544).

Almost surely, 2^{11221321313087} is an apocalyptic number.

11221321313087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221321313087 is an equidigital number, since it uses as much as digits as its factorization.

11221321313087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

Adding to 11221321313087 its reverse (78031312312211), we get a palindrome (89252633625298).

The spelling of 11221321313087 in words is "eleven trillion, two hundred twenty-one billion, three hundred twenty-one million, three hundred thirteen thousand, eighty-seven".